MARINE MOLLUSCA; GASTROPODA. 205 



Fam. Tornatinidae. 



Tornatina [ = Utriculus] mammillata (Phil.). Scarce (I.) : Lamlash B. 17 f. 

 (Bar. N. Som.) : Curubrae (R.) : Tan : Ascog : Bogany : off Silvercraigs 

 8-12 f. (B.) : Skelmorlie 7-15 f. (Som.) : Machrie B. 25 f. (K.). 



T. truncatula (Brug.). Rather c. throughout the district. 



T. obtusa (Mont.). Not c. ; L. Fyne (J.R.) : Lamlash (L.) : Tan : off Silver- 

 craigs 8 f. (B.) : Ardeer to Irvine, freq. (d.) (Sth.). 



T. [ = Cylichna] nitidula (Lov.). Widely, but locally dist., not c. 



T. [ = Cylichna] umbilicata (Mont.). Locally dist. throughout the district, 

 var. strigella (Lw.).U. L. Fyne 20 f. : L. Goil 24-40 f. (M.). 



Diaphana [ = Utriculus] hyalina (Tart.). Not unc. 



Fam. Scaphandridae. 

 Scaphander lignarius (L.).c. 

 Volvulella [ = Cylichna] acuminata (Drug.). Rather r. ; Tan 10 f. (B.) : L. 



Fyne (Bar. A. J. M'A. R. Som.) : Strachur 25 f. (K.) : Lamlash (A. L.). 

 Bulliiiella [ = Cylichna] cylindracea (Penn.). Very c. 

 var. linearis, Jeff. L. Fyne (J.). 



Fam. Bullidae. 



[Haminaea [ = Bulla] hydatis, L.d. w. of U. L. Fyne (M.) awaits confir- 

 mation.] 

 Eoxania [ = Bulla] utriculus, Broc. Widely dist., but scarce. 



var. oblonga, Jeff. one from L. Fyne (J.). 



Acera bullata, MiilL Verv scarce ; Avr : Arran : Bute (Sin.) : Lamlash B. 

 (L. N.) : Tarbert (Som. S.) : Fax-land Pt. (B.) : Cumbrae (R.). 



Fam. Philinidae. 



Philine scabra (MiilL). Not unc. over all the district. 



P. catena (Mont.). Scarce; Lamlash 10-15 (L. H. Som.) : Bute (L.) : Ascog 



8-10 f. (B.) : U. L. Fyne 35 f. (M.) : Dunderave to Cairndow (G.). 

 P. punctata (Clark). Scarce ; Cumbrae (L. R.) :' Tan 10 f. (B.) : Lamlash 



15 f. (L. Som.) : L. Ranza 18 f. : off Portincross 30-44 f. (d.) (Som.) : U. L. 



Fyne 70 f. (M.) : Campbeltown L. 10 f. (K.). 



P. pminosa (Clark). Very r. ; L. Fyne (Bar.): Tan 3-15 f. : two living (B.). 

 P. aperta (L.). Not unc. throughout the district. 



Fam. Limacinidae. 



Limacina [ = Spirialis] retroversa (Flem.). Lamlash (Sm. L.) : L. Fyne (S.) : 

 Strachur 56 f . (K.) ; r. 



Fam. Aplysiidae. 



Aplysia punctata, Guv. Fairly freq. 



A. depilans (L.). Gourock (Kennedy) : Ardrossan r. (L). 



Fam. Pleurobranchidae. 



Pleurobranchus plumula (Mont.). Scarce; Maybole (Sm.) : Cumbrae, 1. w. m. 



and fishermen's lines 15 f. (R.) : Farland Pt., Cumbrae (B.) : E. L. Tarbert 



(S.) : 3 bet. Pladda and Ayr (G.). 

 Oscanius [ = Pleurobranchus] membranaceus (Mont.). Off Garnock Beacon 



25 f. (R.): Cumbrae (N.): freq. taken in S.Y. "Medusa." 



Fam. Runcinidae. 

 Runcina coronata Quatr. [=hancocki]. r. ; Cumbrae (N.); E. L. Tarbert (S). 



NUDIBRANCHIA. 



Fam. Hermaeidae. 



Hermaea bifida (Mont.). Cumbrae, dredged on Grijfithsia corallina, mod. c. 

 (R.) : E. L. Tarbert (S.) ; r. 



